Gingival Line Visualization Using 2D Photos and Parametric 3D Tooth Models
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Solution Overview
Problem
Existing tools are computationally burdensome and costly, making it difficult for individuals to visualize the impact of dental treatments on their smiles and faces, and to determine whether orthodontic treatment is appropriate for them.
Innovation Solution
A computer-implemented method using automated agents to generate realistic 2D simulations of dental treatment outcomes based on 2D patient images, building parametric 3D tooth models, and applying case-specific parameters to simulate orthodontic and restorative treatments.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If existing tools are used to visualize dental treatment outcomes, then treatment simulation capability is provided, but computational burden and cost increase significantly
Solution Approach 1:
The patent uses 2D photographs as copies of the patient's actual dentition rather than requiring complex 3D scans. The system creates a digital replica of teeth from simple 2D images, which are then used for treatment simulation. This copying approach dramatically reduces computational requirements while maintaining visualization capability.
Solution Approach 2:
The patent replaces expensive, time-consuming 3D scanning equipment with inexpensive 2D photographs. The 2D images serve as disposable, easy-to-obtain inputs that eliminate the need for complex scanning infrastructure, reducing both equipment cost and computational processing requirements.
2Measurement precision
If comprehensive 3D scanning is performed to achieve accurate treatment visualization, then simulation accuracy is improved, but time and resource requirements increase
Solution Approach 1:
The patent performs preliminary extraction of tooth contours and parameters from 2D photographs before treatment planning begins. By pre-processing the images to identify tooth boundaries, positions, and characteristics, the system prepares all necessary data in advance, eliminating the need for time-consuming 3D scanning during the actual treatment planning process.
Solution Approach 2:
The patent replaces mechanical 3D scanning systems with computational image processing of 2D photographs. Instead of using physical scanners to capture dentition data, the system uses automated algorithms to extract tooth information from standard photographs, significantly reducing processing time while maintaining sufficient accuracy for treatment simulation.
3Loss of information
If detailed 3D models are created from multiple scans, then treatment outcome visualization is enhanced, but cost and accessibility barriers increase
Solution Approach 1:
The patent makes the 2D photograph serve multiple functions: it is used for tooth contour extraction, parameter measurement, 3D model generation, and treatment simulation. This single universal input method replaces multiple specialized scanning procedures, reducing cost and improving accessibility while preserving all necessary dental feature information.
Solution Approach 2:
The patent transforms physical 3D scanning parameters into 2D image parameters through computational algorithms. By changing the measurement parameters from spatial coordinates obtained via scanning to pixel-based measurements from photographs, the system maintains the ability to extract detailed dental features while using accessible, low-cost imaging technology.
Data Source
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AI summary
Systems and methods of simulating dental treatments are disclosed. A method may include capturing a first 2D image of a patient's face, including the patient's teeth, building a parametric 3D model of the patient's teeth and gingiva based on the first 2D image, developing a simulated outcome of a dental treatment of the patient's teeth by rendering the parametric 3D model with the patient's teeth in one or more positions and/or orientations corresponding to the treatment goals of the dental treatment plan, and rendering a second 2D image of the patient's face with gingiva and teeth according to a simulated outcome of the dental treatment plan. As noted herein, the dental treatment plan may include orthodontic and/or restorative elements. The simulated outcome may correspond to estimated outcomes and/or intended outcomes of the dental treatment plan.